CN213190519U - Lacrimal passage irrigation bag - Google Patents

Abstract

The utility model relates to a tear way washing package, including the cylinder, sealed sliding connection has the piston in the cylinder, be connected with the push rod on the piston, the piston is in keep apart out the stock solution chamber in the cylinder, the one end that the piston was kept away from in going out the liquid chamber is equipped with the liquid outlet nozzle, the normal saline that washes tear way usefulness is equipped with in the stock solution chamber, the liquid outlet nozzle is connected with washes the syringe needle, can dismantle on the cylinder and be connected with the lid and be in wash the last safety cover of syringe needle, wash the linear structure of syringe needle for extending along cylinder extending direction. The utility model provides a tear way washing package that need not on-spot assembly has solved when current ophthalmic surgery washes that the on-the-spot syringe needle, cylinder and normal saline packing of taking apart then assemble together again and just can wash the problem that the amount of labour that leads to is big and produce easily and be not conform to aseptic operating standard.

Description

Lacrimal passage irrigation bag

Technical Field

The utility model relates to a medical instrument, in particular to a lacrimal passage washing bag.

Background

When ophthalmic treatment is carried out, lacrimal passage flushing fluid (normal saline) is needed to flush the lacrimal passage and conjunctival sac of eyes, the prior art flushes the eye by disassembling the needle cylinder on site, installing the needle head and then exhausting the normal saline to flush, the method causes too many spare objects before preparing a large batch of ophthalmic surgery, the spare objects are too scattered and not easy to be reasonably stored, and the condition that the spare objects need to be unpacked and assembled on site are too many and are not in accordance with the aseptic operation standard is easy to occur, and the labor capacity of medical staff is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tear way washing package that need not on-spot assembly has solved when current ophthalmic surgery washes that the on-the-spot syringe needle, cylinder and normal saline packing of taking apart then assemble together again and just can wash the problem that the amount of labour that leads to is big and produce easily and be not conform to aseptic operating standard.

The technical problem is solved by the following technical scheme: the utility model provides a tear way washing package, includes the cylinder, cylinder inner seal sliding connection has the piston, be connected with the push rod on the piston, the piston is in keep apart out the stock solution chamber in the cylinder, the one end that the piston was kept away from in the stock solution chamber is equipped with the liquid outlet nozzle, the normal saline that the tear way was used is washed in the stock solution intracavity is equipped with, the liquid outlet nozzle is connected with washes the syringe needle, can dismantle on the cylinder and be connected with the lid and be in wash the last safety cover of syringe needle, wash the linear structure of syringe needle for extending along cylinder extending direction. During the use, will the utility model discloses take out from the packing, then take off the safety cover, can carry out the tear way and wash, need not to bleed normal saline after the on-the-spot equipment syringe needle cylinder again, medical staff's work load is few, convenient when consequently using, and the operating procedure is few, be difficult to produce the phenomenon that is not conform to aseptic operating standard.

Preferably, an end cover of the protective cover is provided with a disinfectant storage cavity which can be pierced by the flushing needle, disinfectant is stored in the disinfectant storage cavity, and the needle is located outside the disinfectant storage cavity. When the device is used, the protective cover is considered towards the needle cylinder, so that the washing needle head penetrates into the disinfectant storage cavity to be disinfected by the disinfectant, then the protective cover is taken down, the washing needle head is exposed, the push rod is pushed, so that the physiological saline is ejected by a certain amount to wash away the disinfectant on the liquid outlet hole on the needle head, and finally the disinfectant is sprayed towards the eyes of a patient to wash the lacrimal passage.

Preferably, the protective cover is a transparent structure. The state of washing the syringe needle is convenient for observe to know the position between syringe needle and the antiseptic solution storage chamber, puncture antiseptic solution storage chamber when preventing to assemble, and do not puncture antiseptic solution storage chamber when using and lead to not disinfecting.

Preferably, the shield is threaded with the barrel. The connection reliability is good, and the disinfectant storage cavity can be prevented from being punctured by the flushing needle in the storage process.

Preferably, the disinfectant storage chamber is located outside the protective cover.

As preferred, be equipped with on the end wall of safety cover with wash the via hole that the syringe needle aligns, the outside of the end wall of safety cover is equipped with only one end open-ended casing, the open end of casing with via hole alignment and sealing connection are in on the end wall of safety cover, the via hole is sealed through the seal membrane, the end wall and the casing of seal membrane, safety cover enclose antiseptic solution storage chamber. A specific technical solution is provided in which the disinfectant storage chamber is arranged outside the protective cover.

Preferably, the housing is of a resilient construction. The housing can be squeezed during the sterilization process to promote the flow of the sterilizing liquid and improve the sterilizing effect.

Preferably, an end plate is arranged at one end of the push rod, which is far away from the needle cylinder, the end plate is vertically connected with the push rod, and at least two sides of the end plate exceed the push rod along the radial direction of the needle cylinder. When the injection device is used, the push rod is positioned between fingers, and the fingers grasp the end plate to press the push rod to realize injection. The convenience is good when in use.

Preferably, the surface of the end of the piston far away from the push rod is provided with an elastic layer. When the inner surface of one end of the needle cylinder provided with the liquid outlet hole is uneven, the physiological saline in the needle cylinder can be extruded out through the deformation of the elastic layer so as to reduce the residual quantity of the physiological saline.

The utility model has the advantages of that: the needle head, the syringe and the physiological saline are pre-assembled together as required, so that the needle head, the syringe and the physiological saline are convenient to use on site, the workload is small, and the needle head, the syringe and the physiological saline are not easy to generate and conform to aseptic operation specifications; the protective cover is designed, so that the needle head is not easily damaged; the liquid outlet of the needle head is troubled by the protective cover, and the phenomena of physiological saline flowing out and pollution are not easy to generate.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a partially enlarged schematic view of fig. 1.

In the figure: syringe 1, piston 2, push rod 3, washing syringe needle 4, safety cover 5, liquid outlet 6, stock solution chamber 7, elastic layer 13, end plate 8, antiseptic solution storage chamber 11, seal membrane 9, casing 10.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 and 2, a lacrimal passage irrigation bag comprises a needle cylinder 1, a piston 2, a push rod 3, an irrigation needle 4 and a protective cover 5. The piston is movably connected in one end of the syringe in a sealing way. The other end of the whole body is provided with a liquid outlet nozzle 6. The piston separates a liquid storage cavity 7 in the needle cylinder. The surface of the end of the piston remote from the push rod is provided with an elastic layer 13, i.e. the elastic layer forms the wall of the liquid storage chamber. The push rod is connected to the piston. The end of the push rod far away from the syringe, i.e. the piston, is provided with an end plate 8. The end plate is circular. The end plate is vertically connected with the push rod, and the whole peripheral side of the end plate extends beyond the push rod along the radial direction of the needle cylinder. The piston and the liquid outlet nozzle are positioned at two ends of the liquid storage cavity. The liquid storage cavity stores oil physiological saline. The liquid outlet nozzle is connected with a washing needle head. The protective cap is detachably connected to the needle cylinder and covers the flushing needle, and particularly the protective cap and the needle cylinder are connected through threads. The protective cover is of a transparent structure. The flushing needle head is a straight line structure extending along the extension direction of the syringe. The end cap of the protective cover is provided with a disinfectant storage cavity 11 which can be penetrated by the flushing needle. The disinfectant is stored in the disinfectant storage cavity. The needle head is positioned outside the disinfectant storage cavity. The disinfectant storage chamber is located outside the protective cover. The specific design mode of antiseptic solution storage cavity does: be equipped with the via hole that aligns with the syringe needle that washes on the end wall of safety cover, the via hole seals through seal membrane 9, and the outside of the end wall of safety cover is equipped with only one end open-ended casing 10, and the casing is elastic structure, and the open end of casing aligns and sealing connection on the end wall of safety cover with the via hole, and the antiseptic solution storage chamber is enclosed out to the end wall and the casing of seal membrane, safety cover.

When the disinfection device is used, the protection cover is screwed in one step, so that the washing needle penetrates through the sealing film and enters the disinfection solution storage cavity to be disinfected by the disinfection solution, and the shell is repeatedly pressed in the disinfection process; then the protective cover is unscrewed, and a small amount of physiological saline is ejected by pressing the end plate, so that the cleaning needle head and the eyes of the patient face each other; finally, the end plate is further pushed to make the physiological saline in the syringe shoot into the eyes of the patient to clean the lacrimal passage.

Claims (9)

1. The utility model provides a package is washed to lacrimal passage, includes the cylinder, cylinder inner seal sliding connection has the piston, be connected with the push rod on the piston, the piston is in keep apart out the stock solution chamber in the cylinder, the one end that the piston was kept away from in the stock solution chamber is equipped with the liquid outlet nozzle, a serial communication port, the normal saline that washes lacrimal passage usefulness is equipped with in the stock solution chamber, the liquid outlet nozzle is connected with washes the syringe needle, can dismantle on the cylinder and be connected with the lid and be in wash the last safety cover of syringe needle, wash the linear structure of syringe needle for extending along cylinder extending direction.

2. The lacrimal passage irrigation bag of claim 1, wherein a disinfectant storage chamber is disposed on an end cap of the protective cover, and is penetrated by the irrigation needle, and a disinfectant is stored in the disinfectant storage chamber, and the needle is located outside the disinfectant storage chamber.

3. The lacrimal passage irrigation kit of claim 2, wherein the protective cover is a transparent structure.

4. The lacrimal passage irrigation package of claim 1, 2, or 3, wherein the protective cover is threadably connected to the needle cylinder.

5. The lacrimal passage irrigation package of claim 2 or 3, wherein the disinfectant storage cavity is located outside the protective cover.

6. The lacrimal passage irrigation bag of claim 5, wherein a through hole aligned with the irrigation needle is disposed on an end wall of the protective cover, a housing with only one open end is disposed outside the end wall of the protective cover, an open end of the housing is aligned with the through hole and is hermetically connected to the end wall of the protective cover, the through hole is sealed by a sealing film, and the sealing film, the end wall of the protective cover and the housing enclose the disinfectant storage chamber.

7. The lacrimal passage irrigation bag of claim 6, wherein the housing is of a resilient construction.

8. The lacrimal passage irrigation bag of claim 1, 2, or 3, wherein an end plate is disposed at an end of the plunger away from the syringe, the end plate is vertically connected to the plunger, and at least two sides of the end plate extend beyond the plunger along a radial direction of the syringe.

9. The lacrimal passage irrigation kit of claim 1, 2, or 3, wherein a surface of an end of the piston distal from the push rod is provided with an elastic layer.

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